40245234064540 has 48 divisors (see below), whose sum is σ = 84949414889472. Its totient is φ = 16015450101056.

The previous prime is 40245234064523. The next prime is 40245234064573. The reversal of 40245234064540 is 4546043254204.

It is a super-2 number, since 2×40245234064540² (a number of 28 digits) 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, 2963829 + ... + 9448531.

It is an arithmetic number, because the mean of its divisors is an integer number (1769779476864).

Almost surely, 2^{40245234064540} is an apocalyptic number.

It is an amenable number.

40245234064540 is an abundant number, since it is smaller than the sum of its proper divisors (44704180824932).

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

40245234064540 is a wasteful number, since it uses less digits than its factorization.

40245234064540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486306 (or 6486304 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 40245234064540 in words is "forty trillion, two hundred forty-five billion, two hundred thirty-four million, sixty-four thousand, five hundred forty".