40149876479 has 8 divisors (see below), whose sum is σ = 40834176000. Its totient is φ = 39465703512.

The previous prime is 40149876461. The next prime is 40149876499. The reversal of 40149876479 is 97467894104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40149876479 - 2⁸ = 40149876223 is a prime.

It is a super-2 number, since 2×40149876479² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40149876419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787052 + ... + 836510.

It is an arithmetic number, because the mean of its divisors is an integer number (5104272000).

Almost surely, 2^40149876479 is an apocalyptic number.

40149876479 is a deficient number, since it is larger than the sum of its proper divisors (684299521).

40149876479 is a wasteful number, since it uses less digits than its factorization.

40149876479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63277.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 40149876479 in words is "forty billion, one hundred forty-nine million, eight hundred seventy-six thousand, four hundred seventy-nine".