1053651240 has 80 divisors (see below), whose sum is σ = 3541449780. Its totient is φ = 280972800.

The previous prime is 1053651227. The next prime is 1053651241. The reversal of 1053651240 is 421563501.

1053651240 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 651 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1046263716 + 7387524 = 32346^2 + 2718^2 .

It is a super-2 number, since 2×1053651240² = 2220361871107075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1053651241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 159361 + ... + 165840.

Almost surely, 2^1053651240 is an apocalyptic number.

1053651240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053651240 is an abundant number, since it is smaller than the sum of its proper divisors (2487798540).

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

1053651240 is a wasteful number, since it uses less digits than its factorization.

1053651240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325224 (or 325211 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1053651240 is about 32459.9944547130. The cubic root of 1053651240 is about 1017.5731230664.

It can be divided in two parts, 10536 and 51240, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 1053651240 in words is "one billion, fifty-three million, six hundred fifty-one thousand, two hundred forty".