400080764 has 6 divisors (see below), whose sum is σ = 700141344. Its totient is φ = 200040380.

The previous prime is 400080763. The next prime is 400080767. The reversal of 400080764 is 467080004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400080763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010092 + ... + 50010099.

It is an arithmetic number, because the mean of its divisors is an integer number (116690224).

Almost surely, 2^400080764 is an apocalyptic number.

It is an amenable number.

400080764 is a deficient number, since it is larger than the sum of its proper divisors (300060580).

400080764 is a wasteful number, since it uses less digits than its factorization.

400080764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020195 (or 100020193 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 400080764 is about 20002.0189980912. The cubic root of 400080764 is about 736.8558859109.

The spelling of 400080764 in words is "four hundred million, eighty thousand, seven hundred sixty-four".