415540155 has 32 divisors (see below), whose sum is σ = 689198400. Its totient is φ = 213622272.

The previous prime is 415540133. The next prime is 415540187. The reversal of 415540155 is 551045514.

It is not a de Polignac number, because 415540155 - 2⁵ = 415540123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57061 + ... + 63929.

It is an arithmetic number, because the mean of its divisors is an integer number (21537450).

Almost surely, 2^415540155 is an apocalyptic number.

415540155 is a deficient number, since it is larger than the sum of its proper divisors (273658245).

415540155 is a wasteful number, since it uses less digits than its factorization.

415540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 415540155 is about 20384.8020593775. The cubic root of 415540155 is about 746.2270695995.

Adding to 415540155 its reverse (551045514), we get a palindrome (966585669).

The spelling of 415540155 in words is "four hundred fifteen million, five hundred forty thousand, one hundred fifty-five".