1240202044 has 48 divisors (see below), whose sum is σ = 2328480000. Its totient is φ = 576576000.

The previous prime is 1240202017. The next prime is 1240202053. The reversal of 1240202044 is 4402020421.

It is a super-2 number, since 2×1240202044² = 3076202219883555872, which contains 22 as substring.

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, 992332 + ... + 993580.

It is an arithmetic number, because the mean of its divisors is an integer number (48510000).

Almost surely, 2^1240202044 is an apocalyptic number.

It is an amenable number.

1240202044 is a deficient number, since it is larger than the sum of its proper divisors (1088277956).

1240202044 is a wasteful number, since it uses less digits than its factorization.

1240202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1240202044 is about 35216.5024384876. The cubic root of 1240202044 is about 1074.3954181854.

Adding to 1240202044 its reverse (4402020421), we get a palindrome (5642222465).

The spelling of 1240202044 in words is "one billion, two hundred forty million, two hundred two thousand, forty-four".