3750400040 has 32 divisors (see below), whose sum is σ = 8564352480. Its totient is φ = 1477768512.

The previous prime is 3750400037. The next prime is 3750400061. The reversal of 3750400040 is 400040573.

It is a junction number, because it is equal to n+sod(n) for n = 3750399979 and 3750400015.

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, 697022 + ... + 702381.

It is an arithmetic number, because the mean of its divisors is an integer number (267636015).

Almost surely, 2^3750400040 is an apocalyptic number.

It is an amenable number.

3750400040 is an abundant number, since it is smaller than the sum of its proper divisors (4813952440).

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

3750400040 is a wasteful number, since it uses less digits than its factorization.

3750400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399481 (or 1399477 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3750400040 is about 61240.5097953961. The cubic root of 3750400040 is about 1553.6714962255.

The spelling of 3750400040 in words is "three billion, seven hundred fifty million, four hundred thousand, forty".