740921397424 has 40 divisors (see below), whose sum is σ = 1575130091472. Its totient is φ = 335511571200.

The previous prime is 740921397383. The next prime is 740921397427. The reversal of 740921397424 is 424793129047.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (740921397427) 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, 33593902 + ... + 33615949.

Almost surely, 2^740921397424 is an apocalyptic number.

It is an amenable number.

740921397424 is an abundant number, since it is smaller than the sum of its proper divisors (834208694048).

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

740921397424 is a wasteful number, since it uses less digits than its factorization.

740921397424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67209925 (or 67209919 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 740921397424 in words is "seven hundred forty billion, nine hundred twenty-one million, three hundred ninety-seven thousand, four hundred twenty-four".