40242462090 has 32 divisors (see below), whose sum is σ = 96591078720. Its totient is φ = 10730304384.

The previous prime is 40242462083. The next prime is 40242462097. The reversal of 40242462090 is 9026424204.

It is an interprime number because it is at equal distance from previous prime (40242462083) and next prime (40242462097).

It is not an unprimeable number, because it can be changed into a prime (40242462097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289726 + ... + 405494.

It is an arithmetic number, because the mean of its divisors is an integer number (3018471210).

Almost surely, 2^40242462090 is an apocalyptic number.

40242462090 is an abundant number, since it is smaller than the sum of its proper divisors (56348616630).

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

40242462090 is a wasteful number, since it uses less digits than its factorization.

40242462090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127366.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 40242462090 its reverse (9026424204), we get a palindrome (49268886294).

The spelling of 40242462090 in words is "forty billion, two hundred forty-two million, four hundred sixty-two thousand, ninety".