740306563305440 has 48 divisors (see below), whose sum is σ = 1851855094392912. Its totient is φ = 278703647361024.

The previous prime is 740306563305431. The next prime is 740306563305461. The reversal of 740306563305440 is 44503365603047.

It is a super-2 number, since 2×740306563305440² (a number of 31 digits) 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 7 ways as a sum of consecutive naturals, for example, 136085762594 + ... + 136085768033.

It is an arithmetic number, because the mean of its divisors is an integer number (38580314466519).

Almost surely, 2^{740306563305440} is an apocalyptic number.

It is an amenable number.

740306563305440 is an abundant number, since it is smaller than the sum of its proper divisors (1111548531087472).

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

740306563305440 is a wasteful number, since it uses less digits than its factorization.

740306563305440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272171530659 (or 272171530651 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 50.

The spelling of 740306563305440 in words is "seven hundred forty trillion, three hundred six billion, five hundred sixty-three million, three hundred five thousand, four hundred forty".