260400054 has 16 divisors (see below), whose sum is σ = 548210880. Its totient is φ = 82231560.

The previous prime is 260400047. The next prime is 260400059. The reversal of 260400054 is 450004062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 260400054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260400059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141992 + ... + 1142219.

It is an arithmetic number, because the mean of its divisors is an integer number (34263180).

Almost surely, 2^260400054 is an apocalyptic number.

260400054 is an abundant number, since it is smaller than the sum of its proper divisors (287810826).

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

260400054 is a wasteful number, since it uses less digits than its factorization.

260400054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284235.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 260400054 is about 16136.9158763377. The cubic root of 260400054 is about 638.5776142332.

The spelling of 260400054 in words is "two hundred sixty million, four hundred thousand, fifty-four".