400974250380 has 288 divisors, whose sum is σ = 1292625782784. Its totient is φ = 92625984000.

The previous prime is 400974250367. The next prime is 400974250393. The reversal of 400974250380 is 83052479004.

It is an interprime number because it is at equal distance from previous prime (400974250367) and next prime (400974250393).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45247150 + ... + 45256010.

It is an arithmetic number, because the mean of its divisors is an integer number (4488283968).

Almost surely, 2^400974250380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400974250380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646312891392).

400974250380 is an abundant number, since it is smaller than the sum of its proper divisors (891651532404).

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

400974250380 is a wasteful number, since it uses less digits than its factorization.

400974250380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189 (or 9176 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 400974250380 in words is "four hundred billion, nine hundred seventy-four million, two hundred fifty thousand, three hundred eighty".