40551274755477 has 24 divisors (see below), whose sum is σ = 58614632381760. Its totient is φ = 27015464260800.

The previous prime is 40551274755473. The next prime is 40551274755517. The reversal of 40551274755477 is 77455747215504.

40551274755477 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 1 + 2 + 7 + 4 + 7 + 554 + 77 = 666.

It is not a de Polignac number, because 40551274755477 - 2² = 40551274755473 is a prime.

It is a super-2 number, since 2×40551274755477² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551274755473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95480049 + ... + 95903817.

It is an arithmetic number, because the mean of its divisors is an integer number (2442276349240).

Almost surely, 2^{40551274755477} is an apocalyptic number.

It is an amenable number.

40551274755477 is a deficient number, since it is larger than the sum of its proper divisors (18063357626283).

40551274755477 is a wasteful number, since it uses less digits than its factorization.

40551274755477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431113 (or 431110 counting only the distinct ones).

The product of its (nonzero) digits is 192080000, while the sum is 63.

The spelling of 40551274755477 in words is "forty trillion, five hundred fifty-one billion, two hundred seventy-four million, seven hundred fifty-five thousand, four hundred seventy-seven".