1140400450452 has 24 divisors (see below), whose sum is σ = 2732851530976. Its totient is φ = 369859605408.

The previous prime is 1140400450433. The next prime is 1140400450471. The reversal of 1140400450452 is 2540540040411.

It is an interprime number because it is at equal distance from previous prime (1140400450433) and next prime (1140400450471).

It is a super-2 number, since 2×1140400450452² (a number of 25 digits) contains 22 as substring.

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, 1284234298 + ... + 1284235185.

Almost surely, 2^{1140400450452} is an apocalyptic number.

1140400450452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140400450452 is an abundant number, since it is smaller than the sum of its proper divisors (1592451080524).

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

1140400450452 is a wasteful number, since it uses less digits than its factorization.

1140400450452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568469527 (or 2568469525 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 1140400450452 its reverse (2540540040411), we get a palindrome (3680940490863).

The spelling of 1140400450452 in words is "one trillion, one hundred forty billion, four hundred million, four hundred fifty thousand, four hundred fifty-two".