40303397903292 has 36 divisors (see below), whose sum is σ = 101878226233056. Its totient is φ = 13434440564160.

The previous prime is 40303397903291. The next prime is 40303397903309. The reversal of 40303397903292 is 29230979330304.

40303397903292 is a `hidden beast` number, since 4 + 0 + 303 + 3 + 9 + 7 + 9 + 0 + 329 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303397903291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36512317 + ... + 37599947.

It is an arithmetic number, because the mean of its divisors is an integer number (2829950728696).

Almost surely, 2^{40303397903292} is an apocalyptic number.

It is an amenable number.

40303397903292 is an abundant number, since it is smaller than the sum of its proper divisors (61574828329764).

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

40303397903292 is a wasteful number, since it uses less digits than its factorization.

40303397903292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116978 (or 2116973 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 54.

The spelling of 40303397903292 in words is "forty trillion, three hundred three billion, three hundred ninety-seven million, nine hundred three thousand, two hundred ninety-two".