400448768396 has 12 divisors (see below), whose sum is σ = 708659337960. Its totient is φ = 197974671840.

The previous prime is 400448768387. The next prime is 400448768413. The reversal of 400448768396 is 693867844004.

It is a super-2 number, since 2×400448768396² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562427690 + ... + 562428401.

It is an arithmetic number, because the mean of its divisors is an integer number (59054944830).

Almost surely, 2^400448768396 is an apocalyptic number.

It is an amenable number.

400448768396 is a deficient number, since it is larger than the sum of its proper divisors (308210569564).

400448768396 is a wasteful number, since it uses less digits than its factorization.

400448768396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124856184 (or 1124856182 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 400448768396 in words is "four hundred billion, four hundred forty-eight million, seven hundred sixty-eight thousand, three hundred ninety-six".