40355254446 has 64 divisors (see below), whose sum is σ = 87326890560. Its totient is φ = 12358886400.

The previous prime is 40355254399. The next prime is 40355254451. The reversal of 40355254446 is 64445255304.

It is a happy number.

It is a super-2 number, since 2×40355254446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40355254398 and 40355254407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18234436 + ... + 18236648.

It is an arithmetic number, because the mean of its divisors is an integer number (1364482665).

Almost surely, 2^40355254446 is an apocalyptic number.

40355254446 is an abundant number, since it is smaller than the sum of its proper divisors (46971636114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40355254446 is a wasteful number, since it uses less digits than its factorization.

40355254446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 40355254446 in words is "forty billion, three hundred fifty-five million, two hundred fifty-four thousand, four hundred forty-six".