1240354552 has 64 divisors (see below), whose sum is σ = 2437776000. Its totient is φ = 591123456.

The previous prime is 1240354537. The next prime is 1240354553. The reversal of 1240354552 is 2554530421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240354553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5189649 + ... + 5189887.

It is an arithmetic number, because the mean of its divisors is an integer number (38090250).

Almost surely, 2^1240354552 is an apocalyptic number.

It is an amenable number.

1240354552 is a deficient number, since it is larger than the sum of its proper divisors (1197421448).

1240354552 is a wasteful number, since it uses less digits than its factorization.

1240354552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1240354552 is about 35218.6676636127. The cubic root of 1240354552 is about 1074.4394559510.

Adding to 1240354552 its reverse (2554530421), we get a palindrome (3794884973).

The spelling of 1240354552 in words is "one billion, two hundred forty million, three hundred fifty-four thousand, five hundred fifty-two".