4401401544 has 64 divisors (see below), whose sum is σ = 12234062400. Its totient is φ = 1466180352.

The previous prime is 4401401519. The next prime is 4401401569. The reversal of 4401401544 is 4451041044.

It is an interprime number because it is at equal distance from previous prime (4401401519) and next prime (4401401569).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378099 + ... + 389565.

It is an arithmetic number, because the mean of its divisors is an integer number (191157225).

Almost surely, 2^4401401544 is an apocalyptic number.

It is an amenable number.

4401401544 is an abundant number, since it is smaller than the sum of its proper divisors (7832660856).

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

4401401544 is a wasteful number, since it uses less digits than its factorization.

4401401544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259 (or 13249 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4401401544 is about 66343.0595013525. The cubic root of 4401401544 is about 1638.8165098236.

Adding to 4401401544 its reverse (4451041044), we get a palindrome (8852442588).

The spelling of 4401401544 in words is "four billion, four hundred one million, four hundred one thousand, five hundred forty-four".