40514553261 has 24 divisors (see below), whose sum is σ = 72025873920. Its totient is φ = 21370313376.

The previous prime is 40514553227. The next prime is 40514553283. The reversal of 40514553261 is 16235541504.

40514553261 is a `hidden beast` number, since 4 + 0 + 514 + 55 + 32 + 61 = 666.

It is not a de Polignac number, because 40514553261 - 2⁷ = 40514553133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40514553161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24733341 + ... + 24734978.

It is an arithmetic number, because the mean of its divisors is an integer number (3001078080).

Almost surely, 2^40514553261 is an apocalyptic number.

It is an amenable number.

40514553261 is a deficient number, since it is larger than the sum of its proper divisors (31511320659).

40514553261 is a wasteful number, since it uses less digits than its factorization.

40514553261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49468345 (or 49468342 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 40514553261 in words is "forty billion, five hundred fourteen million, five hundred fifty-three thousand, two hundred sixty-one".