400770443740 has 12 divisors (see below), whose sum is σ = 841617931896. Its totient is φ = 160308177488.

The previous prime is 400770443737. The next prime is 400770443741. The reversal of 400770443740 is 47344077004.

It is a junction number, because it is equal to n+sod(n) for n = 400770443693 and 400770443702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400770443741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10019261074 + ... + 10019261113.

It is an arithmetic number, because the mean of its divisors is an integer number (70134827658).

Almost surely, 2^400770443740 is an apocalyptic number.

It is an amenable number.

400770443740 is an abundant number, since it is smaller than the sum of its proper divisors (440847488156).

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

400770443740 is a wasteful number, since it uses less digits than its factorization.

400770443740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038522196 (or 20038522194 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 40.

The spelling of 400770443740 in words is "four hundred billion, seven hundred seventy million, four hundred forty-three thousand, seven hundred forty".