40778250524928 has 216 divisors, whose sum is σ = 138704516926976. Its totient is φ = 11275092172800.

The previous prime is 40778250524927. The next prime is 40778250524969. The reversal of 40778250524928 is 82942505287704.

40778250524928 is a `hidden beast` number, since 4 + 0 + 7 + 7 + 82 + 5 + 0 + 524 + 9 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (40778250524927) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40280893 + ... + 41280828.

Almost surely, 2^{40778250524928} is an apocalyptic number.

40778250524928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40778250524928 is an abundant number, since it is smaller than the sum of its proper divisors (97926266402048).

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

40778250524928 is a wasteful number, since it uses less digits than its factorization.

40778250524928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81561781 (or 81561764 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 63.

The spelling of 40778250524928 in words is "forty trillion, seven hundred seventy-eight billion, two hundred fifty million, five hundred twenty-four thousand, nine hundred twenty-eight".