40064003522 has 16 divisors (see below), whose sum is σ = 61726191480. Its totient is φ = 19488711168.

The previous prime is 40064003521. The next prime is 40064003537. The reversal of 40064003522 is 22530046004.

It can be written as a sum of positive squares in 4 ways, for example, as 39991600441 + 72403081 = 199979^2 + 8509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40064003491 and 40064003500.

It is not an unprimeable number, because it can be changed into a prime (40064003521) 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, 1030004 + ... + 1068192.

Almost surely, 2^40064003522 is an apocalyptic number.

40064003522 is a deficient number, since it is larger than the sum of its proper divisors (21662187958).

40064003522 is a wasteful number, since it uses less digits than its factorization.

40064003522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52405.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40064003522 its reverse (22530046004), we get a palindrome (62594049526).

The spelling of 40064003522 in words is "forty billion, sixty-four million, three thousand, five hundred twenty-two".