380542557 has 8 divisors (see below), whose sum is σ = 507688480. Its totient is φ = 253545840.

The previous prime is 380542541. The next prime is 380542559. The reversal of 380542557 is 755245083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380542557 - 2⁴ = 380542541 is a prime.

It is the 19508-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380542559) by changing a digit.

It is a nontrivial repunit in base 19507.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31207 + ... + 41652.

It is an arithmetic number, because the mean of its divisors is an integer number (63461060).

Almost surely, 2^380542557 is an apocalyptic number.

It is an amenable number.

380542557 is a deficient number, since it is larger than the sum of its proper divisors (127145923).

380542557 is a wasteful number, since it uses less digits than its factorization.

380542557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74603.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 380542557 is about 19507.5000192234. The cubic root of 380542557 is about 724.6602019233.

The spelling of 380542557 in words is "three hundred eighty million, five hundred forty-two thousand, five hundred fifty-seven".