40421148117642 has 24 divisors (see below), whose sum is σ = 87579283428000. Its totient is φ = 13473696166440.

The previous prime is 40421148117631. The next prime is 40421148117653. The reversal of 40421148117642 is 24671184112404.

40421148117642 is a `hidden beast` number, since 4 + 0 + 421 + 14 + 8 + 1 + 176 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (40421148117631) and next prime (40421148117653).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15939859 + ... + 18300857.

It is an arithmetic number, because the mean of its divisors is an integer number (3649136809500).

Almost surely, 2^{40421148117642} is an apocalyptic number.

40421148117642 is an abundant number, since it is smaller than the sum of its proper divisors (47158135310358).

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

40421148117642 is a wasteful number, since it uses less digits than its factorization.

40421148117642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312138 (or 3312135 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 40421148117642 in words is "forty trillion, four hundred twenty-one billion, one hundred forty-eight million, one hundred seventeen thousand, six hundred forty-two".