45374410640 has 40 divisors (see below), whose sum is σ = 113610546168. Its totient is φ = 16753628160.

The previous prime is 45374410619. The next prime is 45374410687. The reversal of 45374410640 is 4601447354.

It can be written as a sum of positive squares in 4 ways, for example, as 1396965376 + 43977445264 = 37376^2 + 209708^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 45374410594 and 45374410603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21813581 + ... + 21815660.

Almost surely, 2^45374410640 is an apocalyptic number.

45374410640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45374410640 is an abundant number, since it is smaller than the sum of its proper divisors (68236135528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45374410640 is a wasteful number, since it uses less digits than its factorization.

45374410640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43629267 (or 43629261 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 45374410640 its reverse (4601447354), we get a palindrome (49975857994).

The spelling of 45374410640 in words is "forty-five billion, three hundred seventy-four million, four hundred ten thousand, six hundred forty".