380656026 has 48 divisors (see below), whose sum is σ = 870367680. Its totient is φ = 119993280.

The previous prime is 380656021. The next prime is 380656057. The reversal of 380656026 is 620656083.

It is a super-2 number, since 2×380656026² = 289798020260225352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380656021) 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, 31681 + ... + 42011.

It is an arithmetic number, because the mean of its divisors is an integer number (18132660).

Almost surely, 2^380656026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380656026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435183840).

380656026 is an abundant number, since it is smaller than the sum of its proper divisors (489711654).

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

380656026 is a wasteful number, since it uses less digits than its factorization.

380656026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10451 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 380656026 is about 19510.4081453977. The cubic root of 380656026 is about 724.7322204099.

The spelling of 380656026 in words is "three hundred eighty million, six hundred fifty-six thousand, twenty-six".