402270703740 has 72 divisors (see below), whose sum is σ = 1221872717520. Its totient is φ = 107126993664.

The previous prime is 402270703727. The next prime is 402270703781. The reversal of 402270703740 is 47307072204.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 402270703695 and 402270703704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379049 + ... + 1645088.

It is an arithmetic number, because the mean of its divisors is an integer number (16970454410).

Almost surely, 2^402270703740 is an apocalyptic number.

It is an amenable number.

402270703740 is an abundant number, since it is smaller than the sum of its proper divisors (819602013780).

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

402270703740 is a wasteful number, since it uses less digits than its factorization.

402270703740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024891 (or 3024886 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

Adding to 402270703740 its reverse (47307072204), we get a palindrome (449577775944).

The spelling of 402270703740 in words is "four hundred two billion, two hundred seventy million, seven hundred three thousand, seven hundred forty".