42920249760 has 384 divisors, whose sum is σ = 156097912320. Its totient is φ = 11005747200.

The previous prime is 42920249737. The next prime is 42920249783. The reversal of 42920249760 is 6794202924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42920249737) and next prime (42920249783).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12573814 + ... + 12577226.

It is an arithmetic number, because the mean of its divisors is an integer number (406504980).

Almost surely, 2^42920249760 is an apocalyptic number.

42920249760 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 42920249760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78048956160).

42920249760 is an abundant number, since it is smaller than the sum of its proper divisors (113177662560).

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

42920249760 is a wasteful number, since it uses less digits than its factorization.

42920249760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 42920249760 in words is "forty-two billion, nine hundred twenty million, two hundred forty-nine thousand, seven hundred sixty".