45681452540 has 48 divisors (see below), whose sum is σ = 97317158400. Its totient is φ = 18008746560.

The previous prime is 45681452497. The next prime is 45681452543. The reversal of 45681452540 is 4525418654.

It is a junction number, because it is equal to n+sod(n) for n = 45681452491 and 45681452500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45681452543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618011 + ... + 6624909.

It is an arithmetic number, because the mean of its divisors is an integer number (2027440800).

Almost surely, 2^45681452540 is an apocalyptic number.

It is an amenable number.

45681452540 is an abundant number, since it is smaller than the sum of its proper divisors (51635705860).

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

45681452540 is a wasteful number, since it uses less digits than its factorization.

45681452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 45681452540 in words is "forty-five billion, six hundred eighty-one million, four hundred fifty-two thousand, five hundred forty".