45234623640 has 32 divisors (see below), whose sum is σ = 135703871280. Its totient is φ = 12062566272.

The previous prime is 45234623639. The next prime is 45234623659. The reversal of 45234623640 is 4632643254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188477479 + ... + 188477718.

Almost surely, 2^45234623640 is an apocalyptic number.

45234623640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45234623640 is an abundant number, since it is smaller than the sum of its proper divisors (90469247640).

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

45234623640 is a wasteful number, since it uses less digits than its factorization.

45234623640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376955211 (or 376955207 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 45234623640 in words is "forty-five billion, two hundred thirty-four million, six hundred twenty-three thousand, six hundred forty".