400740733740 has 24 divisors (see below), whose sum is σ = 1122074054640. Its totient is φ = 106864195648.

The previous prime is 400740733709. The next prime is 400740733741. The reversal of 400740733740 is 47337047004.

It is not an unprimeable number, because it can be changed into a prime (400740733741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339506055 + ... + 3339506174.

It is an arithmetic number, because the mean of its divisors is an integer number (46753085610).

Almost surely, 2^400740733740 is an apocalyptic number.

It is an amenable number.

400740733740 is an abundant number, since it is smaller than the sum of its proper divisors (721333320900).

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

400740733740 is a wasteful number, since it uses less digits than its factorization.

400740733740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679012241 (or 6679012239 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 39.

The spelling of 400740733740 in words is "four hundred billion, seven hundred forty million, seven hundred thirty-three thousand, seven hundred forty".