380442837402 has 48 divisors (see below), whose sum is σ = 830325679560. Its totient is φ = 125887671936.

The previous prime is 380442837377. The next prime is 380442837409. The reversal of 380442837402 is 204738244083.

It can be written as a sum of positive squares in 4 ways, for example, as 241730538921 + 138712298481 = 491661^2 + 372441^2 .

It is a super-2 number, since 2×380442837402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380442837409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2958028 + ... + 3083960.

Almost surely, 2^380442837402 is an apocalyptic number.

380442837402 is an abundant number, since it is smaller than the sum of its proper divisors (449882842158).

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

380442837402 is a wasteful number, since it uses less digits than its factorization.

380442837402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127167 (or 127164 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 380442837402 in words is "three hundred eighty billion, four hundred forty-two million, eight hundred thirty-seven thousand, four hundred two".