1461440054 has 48 divisors (see below), whose sum is σ = 2406801408. Its totient is φ = 665013888.

The previous prime is 1461440053. The next prime is 1461440059. The reversal of 1461440054 is 4500441641.

It is a junction number, because it is equal to n+sod(n) for n = 1461439999 and 1461440026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461440051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3156227 + ... + 3156689.

It is an arithmetic number, because the mean of its divisors is an integer number (50141696).

Almost surely, 2^1461440054 is an apocalyptic number.

1461440054 is a deficient number, since it is larger than the sum of its proper divisors (945361354).

1461440054 is a wasteful number, since it uses less digits than its factorization.

1461440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1461440054 is about 38228.7856725792. The cubic root of 1461440054 is about 1134.8200544032.

Adding to 1461440054 its reverse (4500441641), we get a palindrome (5961881695).

The spelling of 1461440054 in words is "one billion, four hundred sixty-one million, four hundred forty thousand, fifty-four".