740129057290 has 128 divisors (see below), whose sum is σ = 1770743255040. Its totient is φ = 216423871488.

The previous prime is 740129057279. The next prime is 740129057329. The reversal of 740129057290 is 92750921047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 740129057290.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191592 + ... + 1231651.

It is an arithmetic number, because the mean of its divisors is an integer number (13833931680).

Almost surely, 2^740129057290 is an apocalyptic number.

740129057290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

740129057290 is an abundant number, since it is smaller than the sum of its proper divisors (1030614197750).

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

740129057290 is a wasteful number, since it uses less digits than its factorization.

740129057290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423316.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 740129057290 in words is "seven hundred forty billion, one hundred twenty-nine million, fifty-seven thousand, two hundred ninety".