740404450267657 has 48 divisors (see below), whose sum is σ = 915972069726720. Its totient is φ = 585946435156992.

The previous prime is 740404450267609. The next prime is 740404450267697. The reversal of 740404450267657 is 756762054404047.

It is a de Polignac number, because none of the positive numbers 2^k-740404450267657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740404450267595 and 740404450267604.

It is not an unprimeable number, because it can be changed into a prime (740404450267607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 745640863 + ... + 746633179.

It is an arithmetic number, because the mean of its divisors is an integer number (19082751452640).

Almost surely, 2^{740404450267657} is an apocalyptic number.

It is an amenable number.

740404450267657 is a deficient number, since it is larger than the sum of its proper divisors (175567619459063).

740404450267657 is a wasteful number, since it uses less digits than its factorization.

740404450267657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999370 (or 999353 counting only the distinct ones).

The product of its (nonzero) digits is 158054400, while the sum is 61.

The spelling of 740404450267657 in words is "seven hundred forty trillion, four hundred four billion, four hundred fifty million, two hundred sixty-seven thousand, six hundred fifty-seven".