4012740305652 has 48 divisors (see below), whose sum is σ = 10329230221632. Its totient is φ = 1204574949120.

The previous prime is 4012740305543. The next prime is 4012740305689. The reversal of 4012740305652 is 2565030472104.

It is a super-2 number, since 2×4012740305652² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4012740305652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313684998 + ... + 313697789.

It is an arithmetic number, because the mean of its divisors is an integer number (215192296284).

Almost surely, 2^{4012740305652} is an apocalyptic number.

It is an amenable number.

4012740305652 is an abundant number, since it is smaller than the sum of its proper divisors (6316489915980).

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

4012740305652 is a wasteful number, since it uses less digits than its factorization.

4012740305652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627382848 (or 627382846 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 4012740305652 its reverse (2565030472104), we get a palindrome (6577770777756).

The spelling of 4012740305652 in words is "four trillion, twelve billion, seven hundred forty million, three hundred five thousand, six hundred fifty-two".