42741137520 has 120 divisors (see below), whose sum is σ = 151982500176. Its totient is φ = 10727184384.

The previous prime is 42741137513. The next prime is 42741137531. The reversal of 42741137520 is 2573114724.

42741137520 is a `hidden beast` number, since 4 + 274 + 11 + 375 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1733722 + ... + 1758201.

Almost surely, 2^42741137520 is an apocalyptic number.

42741137520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42741137520 is an abundant number, since it is smaller than the sum of its proper divisors (109241362656).

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

42741137520 is a wasteful number, since it uses less digits than its factorization.

42741137520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491959 (or 3491950 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 42741137520 in words is "forty-two billion, seven hundred forty-one million, one hundred thirty-seven thousand, five hundred twenty".