2401155544 has 16 divisors (see below), whose sum is σ = 4505824800. Its totient is φ = 1199602272.

The previous prime is 2401155479. The next prime is 2401155553. The reversal of 2401155544 is 4455511042.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111424 + ... + 131215.

It is an arithmetic number, because the mean of its divisors is an integer number (281614050).

Almost surely, 2^2401155544 is an apocalyptic number.

It is an amenable number.

2401155544 is a deficient number, since it is larger than the sum of its proper divisors (2104669256).

2401155544 is a wasteful number, since it uses less digits than its factorization.

2401155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243882 (or 243878 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2401155544 is about 49001.5871579687. The cubic root of 2401155544 is about 1339.0807432510.

Adding to 2401155544 its reverse (4455511042), we get a palindrome (6856666586).

The spelling of 2401155544 in words is "two billion, four hundred one million, one hundred fifty-five thousand, five hundred forty-four".