45631226612440 has 32 divisors (see below), whose sum is σ = 117337439861280. Its totient is φ = 15644991981312.

The previous prime is 45631226612429. The next prime is 45631226612551. The reversal of 45631226612440 is 4421662213654.

It is a congruent number.

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, 81484332957 + ... + 81484333516.

It is an arithmetic number, because the mean of its divisors is an integer number (3666794995665).

Almost surely, 2^{45631226612440} is an apocalyptic number.

45631226612440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45631226612440 is an abundant number, since it is smaller than the sum of its proper divisors (71706213248840).

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

45631226612440 is a wasteful number, since it uses less digits than its factorization.

45631226612440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162968666491 (or 162968666487 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 45631226612440 in words is "forty-five trillion, six hundred thirty-one billion, two hundred twenty-six million, six hundred twelve thousand, four hundred forty".