40846390242 has 32 divisors (see below), whose sum is σ = 93428649600. Its totient is φ = 11662213248.

The previous prime is 40846390219. The next prime is 40846390243. The reversal of 40846390242 is 24209364804.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 40846390194 and 40846390203.

It is not an unprimeable number, because it can be changed into a prime (40846390243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280267 + ... + 400302.

It is an arithmetic number, because the mean of its divisors is an integer number (2919645300).

Almost surely, 2^40846390242 is an apocalyptic number.

40846390242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40846390242 is an abundant number, since it is smaller than the sum of its proper divisors (52582259358).

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

40846390242 is a wasteful number, since it uses less digits than its factorization.

40846390242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682010.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 40846390242 in words is "forty billion, eight hundred forty-six million, three hundred ninety thousand, two hundred forty-two".