7402688838 has 96 divisors (see below), whose sum is σ = 17171481600. Its totient is φ = 2298067200.

The previous prime is 7402688789. The next prime is 7402688869. The reversal of 7402688838 is 8388862047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8402158 + ... + 8403038.

It is an arithmetic number, because the mean of its divisors is an integer number (178869600).

Almost surely, 2^7402688838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7402688838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8585740800).

7402688838 is an abundant number, since it is smaller than the sum of its proper divisors (9768792762).

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

7402688838 is a wasteful number, since it uses less digits than its factorization.

7402688838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The square root of 7402688838 is about 86038.8798044233. The cubic root of 7402688838 is about 1948.9311554691.

The spelling of 7402688838 in words is "seven billion, four hundred two million, six hundred eighty-eight thousand, eight hundred thirty-eight".