253495740 has 48 divisors (see below), whose sum is σ = 711678240. Its totient is φ = 67418880.

The previous prime is 253495727. The next prime is 253495747. The reversal of 253495740 is 47594352.

253495740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253495747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17910 + ... + 28770.

It is an arithmetic number, because the mean of its divisors is an integer number (14826630).

Almost surely, 2^253495740 is an apocalyptic number.

253495740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253495740 is an abundant number, since it is smaller than the sum of its proper divisors (458182500).

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

253495740 is a wasteful number, since it uses less digits than its factorization.

253495740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 253495740 is about 15921.5495477042. The cubic root of 253495740 is about 632.8831821247.

The spelling of 253495740 in words is "two hundred fifty-three million, four hundred ninety-five thousand, seven hundred forty".