43374807840 has 576 divisors, whose sum is σ = 172665851904. Its totient is φ = 9071419392.

The previous prime is 43374807769. The next prime is 43374807911. The reversal of 43374807840 is 4870847334.

It is an interprime number because it is at equal distance from previous prime (43374807769) and next prime (43374807911).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 43374807840.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38830962 + ... + 38832078.

It is an arithmetic number, because the mean of its divisors is an integer number (299767104).

Almost surely, 2^43374807840 is an apocalyptic number.

43374807840 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 43374807840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86332925952).

43374807840 is an abundant number, since it is smaller than the sum of its proper divisors (129291044064).

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

43374807840 is a wasteful number, since it uses less digits than its factorization.

43374807840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 43374807840 in words is "forty-three billion, three hundred seventy-four million, eight hundred seven thousand, eight hundred forty".