401195037870 has 192 divisors, whose sum is σ = 1214836159680. Its totient is φ = 91537797120.

The previous prime is 401195037857. The next prime is 401195037877. The reversal of 401195037870 is 78730591104.

401195037870 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 9 + 503 + 78 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401195037877) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1937926 + ... + 2134934.

It is an arithmetic number, because the mean of its divisors is an integer number (6327271665).

Almost surely, 2^401195037870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401195037870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607418079840).

401195037870 is an abundant number, since it is smaller than the sum of its proper divisors (813641121810).

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

401195037870 is a wasteful number, since it uses less digits than its factorization.

401195037870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197072 (or 197047 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 401195037870 in words is "four hundred one billion, one hundred ninety-five million, thirty-seven thousand, eight hundred seventy".