749064352040 has 16 divisors (see below), whose sum is σ = 1685394792180. Its totient is φ = 299625740800.

The previous prime is 749064351961. The next prime is 749064352067. The reversal of 749064352040 is 40253460947.

It can be written as a sum of positive squares in 2 ways, for example, as 748712939524 + 351412516 = 865282^2 + 18746^2 .

It is a super-2 number, since 2×749064352040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749064351982 and 749064352000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9363304361 + ... + 9363304440.

Almost surely, 2^749064352040 is an apocalyptic number.

It is an amenable number.

749064352040 is an abundant number, since it is smaller than the sum of its proper divisors (936330440140).

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

749064352040 is a wasteful number, since it uses less digits than its factorization.

749064352040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726608812 (or 18726608808 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 749064352040 in words is "seven hundred forty-nine billion, sixty-four million, three hundred fifty-two thousand, forty".