40263653650 has 96 divisors (see below), whose sum is σ = 84726362880. Its totient is φ = 14101248000.

The previous prime is 40263653611. The next prime is 40263653657. The reversal of 40263653650 is 5635636204.

It is not an unprimeable number, because it can be changed into a prime (40263653657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6871522 + ... + 6877378.

It is an arithmetic number, because the mean of its divisors is an integer number (882566280).

Almost surely, 2^40263653650 is an apocalyptic number.

40263653650 is an abundant number, since it is smaller than the sum of its proper divisors (44462709230).

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

40263653650 is a wasteful number, since it uses less digits than its factorization.

40263653650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 40263653650 in words is "forty billion, two hundred sixty-three million, six hundred fifty-three thousand, six hundred fifty".