40888349049 has 16 divisors (see below), whose sum is σ = 57707769600. Its totient is φ = 25679944656.

The previous prime is 40888349027. The next prime is 40888349149. The reversal of 40888349049 is 94094388804.

It is not a de Polignac number, because 40888349049 - 2¹¹ = 40888347001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 40888349049.

It is not an unprimeable number, because it can be changed into a prime (40888349009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993539 + ... + 2013944.

It is an arithmetic number, because the mean of its divisors is an integer number (3606735600).

Almost surely, 2^40888349049 is an apocalyptic number.

It is an amenable number.

40888349049 is a deficient number, since it is larger than the sum of its proper divisors (16819420551).

40888349049 is a wasteful number, since it uses less digits than its factorization.

40888349049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007684.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 40888349049 in words is "forty billion, eight hundred eighty-eight million, three hundred forty-nine thousand, forty-nine".