42015518748 has 240 divisors, whose sum is σ = 132495193600. Its totient is φ = 11341607040.

The previous prime is 42015518651. The next prime is 42015518771. The reversal of 42015518748 is 84781551024.

42015518748 is a `hidden beast` number, since 4 + 20 + 1 + 551 + 8 + 74 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18916278 + ... + 18918498.

Almost surely, 2^42015518748 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 42015518748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66247596800).

42015518748 is an abundant number, since it is smaller than the sum of its proper divisors (90479674852).

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

42015518748 is a wasteful number, since it uses less digits than its factorization.

42015518748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 42015518748 in words is "forty-two billion, fifteen million, five hundred eighteen thousand, seven hundred forty-eight".