1240413513552 has 60 divisors (see below), whose sum is σ = 3472801161024. Its totient is φ = 413308457280.

The previous prime is 1240413513551. The next prime is 1240413513589. The reversal of 1240413513552 is 2553153140421.

1240413513552 is a `hidden beast` number, since 1 + 2 + 40 + 4 + 13 + 51 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240413513551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327474 + ... + 2059857.

Almost surely, 2^{1240413513552} is an apocalyptic number.

1240413513552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240413513552 is an abundant number, since it is smaller than the sum of its proper divisors (2232387647472).

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

1240413513552 is a wasteful number, since it uses less digits than its factorization.

1240413513552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389888 (or 3389879 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1240413513552 its reverse (2553153140421), we get a palindrome (3793566653973).

The spelling of 1240413513552 in words is "one trillion, two hundred forty billion, four hundred thirteen million, five hundred thirteen thousand, five hundred fifty-two".