42463717920 has 864 divisors, whose sum is σ = 170314679808. Its totient is φ = 9570779136.

The previous prime is 42463717871. The next prime is 42463717931. The reversal of 42463717920 is 2971736424.

42463717920 is a `hidden beast` number, since 4 + 2 + 4 + 637 + 1 + 7 + 9 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 254273677 + ... + 254273843.

It is an arithmetic number, because the mean of its divisors is an integer number (197123472).

Almost surely, 2^42463717920 is an apocalyptic number.

42463717920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42463717920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85157339904).

42463717920 is an abundant number, since it is smaller than the sum of its proper divisors (127850961888).

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

42463717920 is a wasteful number, since it uses less digits than its factorization.

42463717920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 42463717920 in words is "forty-two billion, four hundred sixty-three million, seven hundred seventeen thousand, nine hundred twenty".