1452432011540 has 24 divisors (see below), whose sum is σ = 3050163904200. Its totient is φ = 580962008448.

The previous prime is 1452432011521. The next prime is 1452432011549. The reversal of 1452432011540 is 451102342541.

It can be written as a sum of positive squares in 4 ways, for example, as 222493342864 + 1229938668676 = 471692^2 + 1109026^2 .

It is a super-2 number, since 2×1452432011540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1452432011497 and 1452432011506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452432011549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476294 + ... + 1769666.

It is an arithmetic number, because the mean of its divisors is an integer number (127090162675).

Almost surely, 2^{1452432011540} is an apocalyptic number.

1452432011540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452432011540 is an abundant number, since it is smaller than the sum of its proper divisors (1597731892660).

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

1452432011540 is a wasteful number, since it uses less digits than its factorization.

1452432011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349531 (or 1349529 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1452432011540 in words is "one trillion, four hundred fifty-two billion, four hundred thirty-two million, eleven thousand, five hundred forty".