40428136572826 has 8 divisors (see below), whose sum is σ = 61119702535680. Its totient is φ = 20054902394268.

The previous prime is 40428136572727. The next prime is 40428136572871. The reversal of 40428136572826 is 62827563182404.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79582945756 + ... + 79582946263.

It is an arithmetic number, because the mean of its divisors is an integer number (7639962816960).

Almost surely, 2^{40428136572826} is an apocalyptic number.

40428136572826 is a deficient number, since it is larger than the sum of its proper divisors (20691565962854).

40428136572826 is a wasteful number, since it uses less digits than its factorization.

40428136572826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159165892148.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 40428136572826 in words is "forty trillion, four hundred twenty-eight billion, one hundred thirty-six million, five hundred seventy-two thousand, eight hundred twenty-six".