3940094540 has 48 divisors (see below), whose sum is σ = 8327161920. Its totient is φ = 1565982720.

The previous prime is 3940094533. The next prime is 3940094551. The reversal of 3940094540 is 454900493.

It is a super-3 number, since 3×3940094540³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3940094494 and 3940094503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706049 + ... + 3707111.

It is an arithmetic number, because the mean of its divisors is an integer number (173482540).

Almost surely, 2^3940094540 is an apocalyptic number.

It is an amenable number.

3940094540 is an abundant number, since it is smaller than the sum of its proper divisors (4387067380).

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

3940094540 is a wasteful number, since it uses less digits than its factorization.

3940094540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 3940094540 is about 62770.1723751019. The cubic root of 3940094540 is about 1579.4366602483.

The spelling of 3940094540 in words is "three billion, nine hundred forty million, ninety-four thousand, five hundred forty".