45697782421500 has 384 divisors, whose sum is σ = 146648246943744. Its totient is φ = 10965497760000.

The previous prime is 45697782421439. The next prime is 45697782421553. The reversal of 45697782421500 is 512428779654.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4539359467 + ... + 4539369533.

It is an arithmetic number, because the mean of its divisors is an integer number (381896476416).

Almost surely, 2^{45697782421500} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45697782421500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73324123471872).

45697782421500 is an abundant number, since it is smaller than the sum of its proper divisors (100950464522244).

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

45697782421500 is a wasteful number, since it uses less digits than its factorization.

45697782421500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12874 (or 12862 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 45697782421500 in words is "forty-five trillion, six hundred ninety-seven billion, seven hundred eighty-two million, four hundred twenty-one thousand, five hundred".