245553040 has 20 divisors (see below), whose sum is σ = 570911004. Its totient is φ = 98221184.

The previous prime is 245553023. The next prime is 245553041. The reversal of 245553040 is 40355542.

245553040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53231616 + 192321424 = 7296^2 + 13868^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (245553041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534627 + ... + 1534786.

Almost surely, 2^245553040 is an apocalyptic number.

245553040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245553040 is an abundant number, since it is smaller than the sum of its proper divisors (325357964).

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

245553040 is a wasteful number, since it uses less digits than its factorization.

245553040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069426 (or 3069420 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 245553040 is about 15670.1320989965. The cubic root of 245553040 is about 626.2029439957.

The spelling of 245553040 in words is "two hundred forty-five million, five hundred fifty-three thousand, forty".