40421142663 has 32 divisors (see below), whose sum is σ = 59787459072. Its totient is φ = 24084278400.

The previous prime is 40421142649. The next prime is 40421142673. The reversal of 40421142663 is 36624112404.

It is a happy number.

It is not a de Polignac number, because 40421142663 - 2⁵ = 40421142631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421142613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5840281 + ... + 5847197.

It is an arithmetic number, because the mean of its divisors is an integer number (1868358096).

Almost surely, 2^40421142663 is an apocalyptic number.

40421142663 is a deficient number, since it is larger than the sum of its proper divisors (19366316409).

40421142663 is a wasteful number, since it uses less digits than its factorization.

40421142663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895.

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

The spelling of 40421142663 in words is "forty billion, four hundred twenty-one million, one hundred forty-two thousand, six hundred sixty-three".