1140365400 has 48 divisors (see below), whose sum is σ = 3535134600. Its totient is φ = 304097280.

The previous prime is 1140365399. The next prime is 1140365489. The reversal of 1140365400 is 45630411.

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 11 ways as a sum of consecutive naturals, for example, 949705 + ... + 950904.

Almost surely, 2^1140365400 is an apocalyptic number.

1140365400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140365400 is an abundant number, since it is smaller than the sum of its proper divisors (2394769200).

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

1140365400 is a wasteful number, since it uses less digits than its factorization.

1140365400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900628 (or 1900619 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1140365400 is about 33769.2967057355. The cubic root of 1140365400 is about 1044.7555268560.

Adding to 1140365400 its reverse (45630411), we get a palindrome (1185995811).

The spelling of 1140365400 in words is "one billion, one hundred forty million, three hundred sixty-five thousand, four hundred".