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40007666741 = 733923168481
BaseRepresentation
bin100101010000101001…
…001000110000110101
310211021012111001021212
4211100221020300311
51123413430313431
630213531051205
72614266361550
oct452051106065
9124235431255
1040007666741
1115a70315199
1279065a0b05
133a078380b3
141d17605697
1510924ed72b
hex950a48c35

40007666741 has 8 divisors (see below), whose sum is σ = 45724666944. Its totient is φ = 34291071360.

The previous prime is 40007666731. The next prime is 40007666753. The reversal of 40007666741 is 14766670004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-40007666741 is a prime.

It is a super-2 number, since 2×400076667412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40007666731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153221 + ... + 321701.

It is an arithmetic number, because the mean of its divisors is an integer number (5715583368).

Almost surely, 240007666741 is an apocalyptic number.

It is an amenable number.

40007666741 is a deficient number, since it is larger than the sum of its proper divisors (5717000203).

40007666741 is a wasteful number, since it uses less digits than its factorization.

40007666741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202411.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 40007666741 in words is "forty billion, seven million, six hundred sixty-six thousand, seven hundred forty-one".

Divisors: 1 7 33923 168481 237461 1179367 5715380963 40007666741