238155480 has 96 divisors (see below), whose sum is σ = 780249600. Its totient is φ = 62995968.

The previous prime is 238155479. The next prime is 238155497. The reversal of 238155480 is 84551832.

It is a happy number.

238155480 is a `hidden beast` number, since 23 + 8 + 1 + 554 + 80 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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, 43116 + ... + 48324.

It is an arithmetic number, because the mean of its divisors is an integer number (8127600).

Almost surely, 2^238155480 is an apocalyptic number.

238155480 is a gapful number since it is divisible by the number (20) 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 238155480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390124800).

238155480 is an abundant number, since it is smaller than the sum of its proper divisors (542094120).

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

238155480 is a wasteful number, since it uses less digits than its factorization.

238155480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353 (or 5346 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 238155480 is about 15432.2869335689. The cubic root of 238155480 is about 619.8503627780.

The spelling of 238155480 in words is "two hundred thirty-eight million, one hundred fifty-five thousand, four hundred eighty".