40245213142 has 16 divisors (see below), whose sum is σ = 62320067712. Its totient is φ = 19471959360.

The previous prime is 40245213137. The next prime is 40245213161. The reversal of 40245213142 is 24131254204.

It is a self number, because there is not a number n which added to its sum of digits gives 40245213142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483048 + ... + 1509940.

It is an arithmetic number, because the mean of its divisors is an integer number (3895004232).

Almost surely, 2^40245213142 is an apocalyptic number.

40245213142 is a deficient number, since it is larger than the sum of its proper divisors (22074854570).

40245213142 is a wasteful number, since it uses less digits than its factorization.

40245213142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51063.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 40245213142 its reverse (24131254204), we get a palindrome (64376467346).

The spelling of 40245213142 in words is "forty billion, two hundred forty-five million, two hundred thirteen thousand, one hundred forty-two".