40478061792 has 192 divisors, whose sum is σ = 124234629120. Its totient is φ = 11301244416.

The previous prime is 40478061761. The next prime is 40478061809. The reversal of 40478061792 is 29716087404.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 5714509 + ... + 5721587.

It is an arithmetic number, because the mean of its divisors is an integer number (647055360).

Almost surely, 2^40478061792 is an apocalyptic number.

40478061792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40478061792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62117314560).

40478061792 is an abundant number, since it is smaller than the sum of its proper divisors (83756567328).

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

40478061792 is a wasteful number, since it uses less digits than its factorization.

40478061792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293 (or 7285 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 40478061792 in words is "forty billion, four hundred seventy-eight million, sixty-one thousand, seven hundred ninety-two".