40770048 has 160 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 11612160.

The previous prime is 40770043. The next prime is 40770077. The reversal of 40770048 is 84007704.

It is a junction number, because it is equal to n+sod(n) for n = 40769997 and 40770024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40770043) 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, 320961 + ... + 321087.

It is an arithmetic number, because the mean of its divisors is an integer number (785664).

Almost surely, 2^40770048 is an apocalyptic number.

40770048 is a gapful number since it is divisible by the number (48) 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 40770048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

40770048 is an abundant number, since it is smaller than the sum of its proper divisors (84936192).

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

40770048 is a wasteful number, since it uses less digits than its factorization.

40770048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 40770048 is about 6385.1427548646. The cubic root of 40770048 is about 344.1758610448.

The spelling of 40770048 in words is "forty million, seven hundred seventy thousand, forty-eight".