42750237172540 has 48 divisors (see below), whose sum is σ = 91994041560960. Its totient is φ = 16681940075840.

The previous prime is 42750237172477. The next prime is 42750237172561. The reversal of 42750237172540 is 4527173205724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138124102 + ... + 138433261.

It is an arithmetic number, because the mean of its divisors is an integer number (1916542532520).

Almost surely, 2^{42750237172540} is an apocalyptic number.

It is an amenable number.

42750237172540 is an abundant number, since it is smaller than the sum of its proper divisors (49243804388420).

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

42750237172540 is a wasteful number, since it uses less digits than its factorization.

42750237172540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276557562 (or 276557560 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 42750237172540 in words is "forty-two trillion, seven hundred fifty billion, two hundred thirty-seven million, one hundred seventy-two thousand, five hundred forty".