40432654635 has 16 divisors (see below), whose sum is σ = 65320329984. Its totient is φ = 21354721632.

The previous prime is 40432654621. The next prime is 40432654657. The reversal of 40432654635 is 53645623404.

It is a happy number.

It is not a de Polignac number, because 40432654635 - 2²¹ = 40430557483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13083457 + ... + 13086546.

It is an arithmetic number, because the mean of its divisors is an integer number (4082520624).

Almost surely, 2^40432654635 is an apocalyptic number.

40432654635 is a deficient number, since it is larger than the sum of its proper divisors (24887675349).

40432654635 is a wasteful number, since it uses less digits than its factorization.

40432654635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170114.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 40432654635 in words is "forty billion, four hundred thirty-two million, six hundred fifty-four thousand, six hundred thirty-five".