42146157924 has 96 divisors (see below), whose sum is σ = 117900083840. Its totient is φ = 12943027584.

The previous prime is 42146157919. The next prime is 42146157967. The reversal of 42146157924 is 42975164124.

42146157924 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 615 + 7 + 9 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42146157924.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705594 + ... + 762990.

Almost surely, 2^42146157924 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 42146157924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58950041920).

42146157924 is an abundant number, since it is smaller than the sum of its proper divisors (75753925916).

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

42146157924 is a wasteful number, since it uses less digits than its factorization.

42146157924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57946 (or 57938 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 42146157924 in words is "forty-two billion, one hundred forty-six million, one hundred fifty-seven thousand, nine hundred twenty-four".