40821737442 has 16 divisors (see below), whose sum is σ = 81645831552. Its totient is φ = 13606853040.

The previous prime is 40821737431. The next prime is 40821737461. The reversal of 40821737442 is 24473712804.

It is a junction number, because it is equal to n+sod(n) for n = 40821737394 and 40821737403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193767 + ... + 345237.

It is an arithmetic number, because the mean of its divisors is an integer number (5102864472).

Almost surely, 2^40821737442 is an apocalyptic number.

40821737442 is an abundant number, since it is smaller than the sum of its proper divisors (40824094110).

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

40821737442 is a wasteful number, since it uses less digits than its factorization.

40821737442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196393.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 40821737442 in words is "forty billion, eight hundred twenty-one million, seven hundred thirty-seven thousand, four hundred forty-two".