40815043548 has 48 divisors (see below), whose sum is σ = 98356263936. Its totient is φ = 13159572480.

The previous prime is 40815043531. The next prime is 40815043571. The reversal of 40815043548 is 84534051804.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748540 + ... + 801212.

It is an arithmetic number, because the mean of its divisors is an integer number (2049088832).

Almost surely, 2^40815043548 is an apocalyptic number.

It is an amenable number.

40815043548 is an abundant number, since it is smaller than the sum of its proper divisors (57541220388).

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

40815043548 is a wasteful number, since it uses less digits than its factorization.

40815043548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54794 (or 54792 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 40815043548 in words is "forty billion, eight hundred fifteen million, forty-three thousand, five hundred forty-eight".