40291021948382 has 4 divisors (see below), whose sum is σ = 60436532922576. Its totient is φ = 20145510974190.

The previous prime is 40291021948363. The next prime is 40291021948399. The reversal of 40291021948382 is 28384912019204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072755487094 + ... + 10072755487097.

It is an arithmetic number, because the mean of its divisors is an integer number (15109133230644).

Almost surely, 2^{40291021948382} is an apocalyptic number.

40291021948382 is a deficient number, since it is larger than the sum of its proper divisors (20145510974194).

40291021948382 is a wasteful number, since it uses less digits than its factorization.

40291021948382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20145510974193.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 40291021948382 in words is "forty trillion, two hundred ninety-one billion, twenty-one million, nine hundred forty-eight thousand, three hundred eighty-two".