40525964787 has 64 divisors (see below), whose sum is σ = 70547890176. Its totient is φ = 20065224960.

The previous prime is 40525964767. The next prime is 40525964873. The reversal of 40525964787 is 78746952504.

It is a happy number.

It is not a de Polignac number, because 40525964787 - 2⁷ = 40525964659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40525964737) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1490103 + ... + 1517055.

It is an arithmetic number, because the mean of its divisors is an integer number (1102310784).

Almost surely, 2^40525964787 is an apocalyptic number.

40525964787 is a deficient number, since it is larger than the sum of its proper divisors (30021925389).

40525964787 is a wasteful number, since it uses less digits than its factorization.

40525964787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 40525964787 in words is "forty billion, five hundred twenty-five million, nine hundred sixty-four thousand, seven hundred eighty-seven".