1053172240 has 40 divisors (see below), whose sum is σ = 2500732800. Its totient is φ = 412304256.

The previous prime is 1053172229. The next prime is 1053172247. The reversal of 1053172240 is 422713501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1053172240² = 2218343534213235200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053172247) 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, 136290 + ... + 143809.

It is an arithmetic number, because the mean of its divisors is an integer number (62518320).

Almost surely, 2^1053172240 is an apocalyptic number.

1053172240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053172240 is an abundant number, since it is smaller than the sum of its proper divisors (1447560560).

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

1053172240 is a wasteful number, since it uses less digits than its factorization.

1053172240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280159 (or 280153 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1053172240 is about 32452.6153029305. The cubic root of 1053172240 is about 1017.4189001801.

Adding to 1053172240 its reverse (422713501), we get a palindrome (1475885741).

The spelling of 1053172240 in words is "one billion, fifty-three million, one hundred seventy-two thousand, two hundred forty".