7402934440 has 32 divisors (see below), whose sum is σ = 18170840160. Its totient is φ = 2691976000.

The previous prime is 7402934437. The next prime is 7402934443. The reversal of 7402934440 is 444392047.

It is an interprime number because it is at equal distance from previous prime (7402934437) and next prime (7402934443).

It is a super-2 number, since 2×7402934440² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7402934440.

It is not an unprimeable number, because it can be changed into a prime (7402934443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8411986 + ... + 8412865.

It is an arithmetic number, because the mean of its divisors is an integer number (567838755).

Almost surely, 2^7402934440 is an apocalyptic number.

It is an amenable number.

7402934440 is an abundant number, since it is smaller than the sum of its proper divisors (10767905720).

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

7402934440 is a wasteful number, since it uses less digits than its factorization.

7402934440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824873 (or 16824869 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 7402934440 is about 86040.3070659328. The cubic root of 7402934440 is about 1948.9527087230.

The spelling of 7402934440 in words is "seven billion, four hundred two million, nine hundred thirty-four thousand, four hundred forty".