400734033371 has 20 divisors (see below), whose sum is σ = 468561363600. Its totient is φ = 342702983952.

The previous prime is 400734033367. The next prime is 400734033409. The reversal of 400734033371 is 173330437004.

It is a happy number.

It is not a de Polignac number, because 400734033371 - 2² = 400734033367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400734033311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 863945 + ... + 1244133.

It is an arithmetic number, because the mean of its divisors is an integer number (23428068180).

Almost surely, 2^400734033371 is an apocalyptic number.

400734033371 is a deficient number, since it is larger than the sum of its proper divisors (67827330229).

400734033371 is an frugal number, since it uses more digits than its factorization.

400734033371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380656 (or 380635 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 400734033371 in words is "four hundred billion, seven hundred thirty-four million, thirty-three thousand, three hundred seventy-one".