2401354638 has 72 divisors (see below), whose sum is σ = 5348751408. Its totient is φ = 778555008.

The previous prime is 2401354603. The next prime is 2401354663. The reversal of 2401354638 is 8364531042.

2401354638 is a `hidden beast` number, since 2 + 4 + 0 + 13 + 5 + 4 + 638 = 666.

It is a super-2 number, since 2×2401354638² = 11533008194888222088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9130495 + ... + 9130757.

It is an arithmetic number, because the mean of its divisors is an integer number (74288214).

Almost surely, 2^2401354638 is an apocalyptic number.

2401354638 is an abundant number, since it is smaller than the sum of its proper divisors (2947396770).

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

2401354638 is a wasteful number, since it uses less digits than its factorization.

2401354638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2401354638 is about 49003.6186214855. The cubic root of 2401354638 is about 1339.1177525948.

The spelling of 2401354638 in words is "two billion, four hundred one million, three hundred fifty-four thousand, six hundred thirty-eight".