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40455125549 = 251161399923
BaseRepresentation
bin100101101011010100…
…000011101000101101
310212102101110022101022
4211223110003220231
51130323003004144
630330153423525
72631341615306
oct455324035055
9125371408338
1040455125549
111617a955663
127a1040aba5
133a79455217
141d5ac017ad
1510bb938cee
hex96b503a2d

40455125549 has 8 divisors (see below), whose sum is σ = 40641888672. Its totient is φ = 40268566000.

The previous prime is 40455125531. The next prime is 40455125609. The reversal of 40455125549 is 94552155404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40455125549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455122549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354902 + ... + 454824.

It is an arithmetic number, because the mean of its divisors is an integer number (5080236084).

Almost surely, 240455125549 is an apocalyptic number.

It is an amenable number.

40455125549 is a deficient number, since it is larger than the sum of its proper divisors (186763123).

40455125549 is a wasteful number, since it uses less digits than its factorization.

40455125549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101787.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 40455125549 in words is "forty billion, four hundred fifty-five million, one hundred twenty-five thousand, five hundred forty-nine".

Divisors: 1 251 1613 99923 404863 25080673 161175799 40455125549