43245090944 has 64 divisors (see below), whose sum is σ = 94264279200. Its totient is φ = 19598315520.

The previous prime is 43245090907. The next prime is 43245091031. The reversal of 43245090944 is 44909054234.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×43245090944² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 43245090895 and 43245090904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428927 + ... + 520065.

Almost surely, 2^43245090944 is an apocalyptic number.

43245090944 is a gapful number since it is divisible by the number (44) 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 43245090944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47132139600).

43245090944 is an abundant number, since it is smaller than the sum of its proper divisors (51019188256).

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

43245090944 is a wasteful number, since it uses less digits than its factorization.

43245090944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91501 (or 91489 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 43245090944 in words is "forty-three billion, two hundred forty-five million, ninety thousand, nine hundred forty-four".