1240152432 has 20 divisors (see below), whose sum is σ = 3203727240. Its totient is φ = 413384128.

The previous prime is 1240152409. The next prime is 1240152443. The reversal of 1240152432 is 2342510421.

1240152432 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12918207 + ... + 12918302.

It is an arithmetic number, because the mean of its divisors is an integer number (160186362).

Almost surely, 2^1240152432 is an apocalyptic number.

1240152432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240152432 is an abundant number, since it is smaller than the sum of its proper divisors (1963574808).

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

1240152432 is a wasteful number, since it uses less digits than its factorization.

1240152432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25836520 (or 25836514 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1240152432 is about 35215.7980457635. The cubic root of 1240152432 is about 1074.3810915907.

Adding to 1240152432 its reverse (2342510421), we get a palindrome (3582662853).

The spelling of 1240152432 in words is "one billion, two hundred forty million, one hundred fifty-two thousand, four hundred thirty-two".