401522245140 has 96 divisors (see below), whose sum is σ = 1165681440000. Its totient is φ = 103144753152.

The previous prime is 401522245139. The next prime is 401522245151. The reversal of 401522245140 is 41542225104.

It is a super-2 number, since 2×401522245140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 401522245098 and 401522245107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501036 + ... + 1026684.

It is an arithmetic number, because the mean of its divisors is an integer number (12142515000).

Almost surely, 2^401522245140 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 401522245140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582840720000).

401522245140 is an abundant number, since it is smaller than the sum of its proper divisors (764159194860).

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

401522245140 is a wasteful number, since it uses less digits than its factorization.

401522245140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526129 (or 526127 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 401522245140 in words is "four hundred one billion, five hundred twenty-two million, two hundred forty-five thousand, one hundred forty".