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40021274362355 = 5111369181004067
BaseRepresentation
bin10010001100110001011011…
…10101111000000111110011
312020200222220102101121001222
421012120231311320013303
520221202032214043410
6221041304123415255
711300304326121536
oct1106305565700763
9166628812347058
1040021274362355
111182aa22030420
1245a448398452b
131943cb3ca1b60
149c507bb2aa1d
154960a27b1955
hex24662dd781f3

40021274362355 has 32 divisors (see below), whose sum is σ = 56503253576448. Its totient is φ = 26828546659200.

The previous prime is 40021274362327. The next prime is 40021274362361. The reversal of 40021274362355 is 55326347212004.

It is not a de Polignac number, because 40021274362355 - 26 = 40021274362291 is a prime.

It is a super-3 number, since 3×400212743623553 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40007969 + ... + 40996098.

It is an arithmetic number, because the mean of its divisors is an integer number (1765726674264).

Almost surely, 240021274362355 is an apocalyptic number.

40021274362355 is a deficient number, since it is larger than the sum of its proper divisors (16481979214093).

40021274362355 is a wasteful number, since it uses less digits than its factorization.

40021274362355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81004787.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 40021274362355 in words is "forty trillion, twenty-one billion, two hundred seventy-four million, three hundred sixty-two thousand, three hundred fifty-five".

Divisors: 1 5 11 13 55 65 143 691 715 3455 7601 8983 38005 44915 98813 494065 81004067 405020335 891044737 1053052871 4455223685 5265264355 11583581581 55973810297 57917907905 279869051485 615711913267 727659533861 3078559566335 3638297669305 8004254872471 40021274362355