1142460440 has 32 divisors (see below), whose sum is σ = 2804222160. Its totient is φ = 415440000.

The previous prime is 1142460437. The next prime is 1142460457. The reversal of 1142460440 is 440642411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297811 + ... + 1298690.

Almost surely, 2^1142460440 is an apocalyptic number.

1142460440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142460440 is an abundant number, since it is smaller than the sum of its proper divisors (1661761720).

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

1142460440 is a wasteful number, since it uses less digits than its factorization.

1142460440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596523 (or 2596519 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1142460440 is about 33800.3023655115. The cubic root of 1142460440 is about 1045.3949317305.

The spelling of 1142460440 in words is "one billion, one hundred forty-two million, four hundred sixty thousand, four hundred forty".