1240611421532 has 24 divisors (see below), whose sum is σ = 2481617854464. Its totient is φ = 531605963952.

The previous prime is 1240611421507. The next prime is 1240611421537. The reversal of 1240611421532 is 2351241160421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240611421537) 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, 3347708 + ... + 3699779.

It is an arithmetic number, because the mean of its divisors is an integer number (103400743936).

Almost surely, 2^{1240611421532} is an apocalyptic number.

It is an amenable number.

1240611421532 is an abundant number, since it is smaller than the sum of its proper divisors (1241006432932).

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

1240611421532 is a wasteful number, since it uses less digits than its factorization.

1240611421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053785 (or 7053783 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 1240611421532 its reverse (2351241160421), we get a palindrome (3591852581953).

The spelling of 1240611421532 in words is "one trillion, two hundred forty billion, six hundred eleven million, four hundred twenty-one thousand, five hundred thirty-two".