40452555124642 has 32 divisors (see below), whose sum is σ = 62381198580480. Its totient is φ = 19659920250240.

The previous prime is 40452555124621. The next prime is 40452555124687. The reversal of 40452555124642 is 24642155525404.

It is a super-2 number, since 2×40452555124642² (a number of 28 digits) contains 22 as substring.

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, 1788421209 + ... + 1788443827.

It is an arithmetic number, because the mean of its divisors is an integer number (1949412455640).

Almost surely, 2^{40452555124642} is an apocalyptic number.

40452555124642 is a deficient number, since it is larger than the sum of its proper divisors (21928643455838).

40452555124642 is a wasteful number, since it uses less digits than its factorization.

40452555124642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45786.

The product of its (nonzero) digits is 7680000, while the sum is 49.

The spelling of 40452555124642 in words is "forty trillion, four hundred fifty-two billion, five hundred fifty-five million, one hundred twenty-four thousand, six hundred forty-two".