42487934457022 has 4 divisors (see below), whose sum is σ = 63731901685536. Its totient is φ = 21243967228510.

The previous prime is 42487934456971. The next prime is 42487934457049. The reversal of 42487934457022 is 22075443978424.

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, 10621983614254 + ... + 10621983614257.

It is an arithmetic number, because the mean of its divisors is an integer number (15932975421384).

Almost surely, 2^{42487934457022} is an apocalyptic number.

42487934457022 is a deficient number, since it is larger than the sum of its proper divisors (21243967228514).

42487934457022 is a wasteful number, since it uses less digits than its factorization.

42487934457022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21243967228513.

The product of its (nonzero) digits is 108380160, while the sum is 61.

The spelling of 42487934457022 in words is "forty-two trillion, four hundred eighty-seven billion, nine hundred thirty-four million, four hundred fifty-seven thousand, twenty-two".