2401012155 has 64 divisors (see below), whose sum is σ = 4118593536. Its totient is φ = 1192320000.

The previous prime is 2401012151. The next prime is 2401012157. The reversal of 2401012155 is 5512101042.

It is not a de Polignac number, because 2401012155 - 2² = 2401012151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2401012151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1332255 + ... + 1334055.

It is an arithmetic number, because the mean of its divisors is an integer number (64353024).

Almost surely, 2^2401012155 is an apocalyptic number.

2401012155 is a deficient number, since it is larger than the sum of its proper divisors (1717581381).

2401012155 is a wasteful number, since it uses less digits than its factorization.

2401012155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2401012155 is about 49000.1240304553. The cubic root of 2401012155 is about 1339.0540875752.

Adding to 2401012155 its reverse (5512101042), we get a palindrome (7913113197).

The spelling of 2401012155 in words is "two billion, four hundred one million, twelve thousand, one hundred fifty-five".