42029975399544 has 192 divisors, whose sum is σ = 129312272793600. Its totient is φ = 12215732256000.

The previous prime is 42029975399459. The next prime is 42029975399551. The reversal of 42029975399544 is 44599357992024.

42029975399544 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 9 + 9 + 75 + 3 + 9 + 9 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2591224 + ... + 9527559.

It is an arithmetic number, because the mean of its divisors is an integer number (673501420800).

Almost surely, 2^{42029975399544} is an apocalyptic number.

42029975399544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42029975399544 is an abundant number, since it is smaller than the sum of its proper divisors (87282297394056).

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

42029975399544 is a wasteful number, since it uses less digits than its factorization.

42029975399544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118986 (or 12118979 counting only the distinct ones).

The product of its (nonzero) digits is 881798400, while the sum is 72.

The spelling of 42029975399544 in words is "forty-two trillion, twenty-nine billion, nine hundred seventy-five million, three hundred ninety-nine thousand, five hundred forty-four".