40462016421 has 32 divisors (see below), whose sum is σ = 57602123136. Its totient is φ = 25175808000.

The previous prime is 40462016401. The next prime is 40462016429. The reversal of 40462016421 is 12461026404.

It is a happy number.

It is not a de Polignac number, because 40462016421 - 2¹³ = 40462008229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40462016429) 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, 3017151 + ... + 3030531.

It is an arithmetic number, because the mean of its divisors is an integer number (1800066348).

Almost surely, 2^40462016421 is an apocalyptic number.

It is an amenable number.

40462016421 is a deficient number, since it is larger than the sum of its proper divisors (17140106715).

40462016421 is a wasteful number, since it uses less digits than its factorization.

40462016421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13893.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 40462016421 in words is "forty billion, four hundred sixty-two million, sixteen thousand, four hundred twenty-one".