1440497074652 has 12 divisors (see below), whose sum is σ = 2653547242920. Its totient is φ = 682340719536.

The previous prime is 1440497074649. The next prime is 1440497074711. The reversal of 1440497074652 is 2564707940441.

It is a super-2 number, since 2×1440497074652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440497074594 and 1440497074603.

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, 9476954363 + ... + 9476954514.

It is an arithmetic number, because the mean of its divisors is an integer number (221128936910).

Almost surely, 2^{1440497074652} is an apocalyptic number.

It is an amenable number.

1440497074652 is a deficient number, since it is larger than the sum of its proper divisors (1213050168268).

1440497074652 is a wasteful number, since it uses less digits than its factorization.

1440497074652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18953908900 (or 18953908898 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 1440497074652 in words is "one trillion, four hundred forty billion, four hundred ninety-seven million, seventy-four thousand, six hundred fifty-two".