40067256801 has 32 divisors (see below), whose sum is σ = 63078220800. Its totient is φ = 22302561600.

The previous prime is 40067256793. The next prime is 40067256841. The reversal of 40067256801 is 10865276004.

It is not a de Polignac number, because 40067256801 - 2³ = 40067256793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40067256801.

It is not an unprimeable number, because it can be changed into a prime (40067256841) 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, 149295 + ... + 320036.

It is an arithmetic number, because the mean of its divisors is an integer number (1971194400).

Almost surely, 2^40067256801 is an apocalyptic number.

It is an amenable number.

40067256801 is a deficient number, since it is larger than the sum of its proper divisors (23010963999).

40067256801 is a wasteful number, since it uses less digits than its factorization.

40067256801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469557.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 40067256801 in words is "forty billion, sixty-seven million, two hundred fifty-six thousand, eight hundred one".