402350363044440 has 128 divisors (see below), whose sum is σ = 1235211564787200. Its totient is φ = 104790638453760.

The previous prime is 402350363044433. The next prime is 402350363044541. The reversal of 402350363044440 is 44440363053204.

It is a junction number, because it is equal to n+sod(n) for n = 402350363044392 and 402350363044401.

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, 68549116 + ... + 74186804.

It is an arithmetic number, because the mean of its divisors is an integer number (9650090349900).

Almost surely, 2^{402350363044440} is an apocalyptic number.

402350363044440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402350363044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617605782393600).

402350363044440 is an abundant number, since it is smaller than the sum of its proper divisors (832861201742760).

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

402350363044440 is a wasteful number, since it uses less digits than its factorization.

402350363044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651577 (or 5651573 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 42.

The spelling of 402350363044440 in words is "four hundred two trillion, three hundred fifty billion, three hundred sixty-three million, forty-four thousand, four hundred forty".