4090942478 has 128 divisors (see below), whose sum is σ = 7948800000. Its totient is φ = 1571851008.

The previous prime is 4090942447. The next prime is 4090942511. The reversal of 4090942478 is 8742490904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29860826 + ... + 29860962.

It is an arithmetic number, because the mean of its divisors is an integer number (62100000).

Almost surely, 2^4090942478 is an apocalyptic number.

4090942478 is a deficient number, since it is larger than the sum of its proper divisors (3857857522).

4090942478 is a wasteful number, since it uses less digits than its factorization.

4090942478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 4090942478 is about 63960.4759050462. The cubic root of 4090942478 is about 1599.3411972637.

The spelling of 4090942478 in words is "four billion, ninety million, nine hundred forty-two thousand, four hundred seventy-eight".