2140404398 has 16 divisors (see below), whose sum is σ = 3518194176. Its totient is φ = 968546040.

The previous prime is 2140404337. The next prime is 2140404407. The reversal of 2140404398 is 8934040412.

It is a congruent number.

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, 213236 + ... + 223047.

It is an arithmetic number, because the mean of its divisors is an integer number (219887136).

Almost surely, 2^2140404398 is an apocalyptic number.

2140404398 is a deficient number, since it is larger than the sum of its proper divisors (1377789778).

2140404398 is a wasteful number, since it uses less digits than its factorization.

2140404398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436519.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2140404398 is about 46264.5047309490. The cubic root of 2140404398 is about 1288.7399104853.

The spelling of 2140404398 in words is "two billion, one hundred forty million, four hundred four thousand, three hundred ninety-eight".