40774254154221 has 32 divisors (see below), whose sum is σ = 63817961371648. Its totient is φ = 22667540696640.

The previous prime is 40774254154189. The next prime is 40774254154223. The reversal of 40774254154221 is 12245145247704.

It is a happy number.

It is not a de Polignac number, because 40774254154221 - 2⁵ = 40774254154189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40774254154223) 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, 4948776 + ... + 10297518.

It is an arithmetic number, because the mean of its divisors is an integer number (1994311292864).

Almost surely, 2^{40774254154221} is an apocalyptic number.

It is an amenable number.

40774254154221 is a deficient number, since it is larger than the sum of its proper divisors (23043707217427).

40774254154221 is a wasteful number, since it uses less digits than its factorization.

40774254154221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358601.

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 40774254154221 in words is "forty trillion, seven hundred seventy-four billion, two hundred fifty-four million, one hundred fifty-four thousand, two hundred twenty-one".