40402142407 has 8 divisors (see below), whose sum is σ = 44366954112. Its totient is φ = 36485979000.

The previous prime is 40402142381. The next prime is 40402142411. The reversal of 40402142407 is 70424120404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40402142407 - 2¹⁵ = 40402109639 is a prime.

It is a super-2 number, since 2×40402142407² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402142497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12160333 + ... + 12163654.

It is an arithmetic number, because the mean of its divisors is an integer number (5545869264).

Almost surely, 2^40402142407 is an apocalyptic number.

40402142407 is a deficient number, since it is larger than the sum of its proper divisors (3964811705).

40402142407 is a wasteful number, since it uses less digits than its factorization.

40402142407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24324149.

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 40402142407 in words is "forty billion, four hundred two million, one hundred forty-two thousand, four hundred seven".