40278062250 has 72 divisors (see below), whose sum is σ = 108937627812. Its totient is φ = 10738278000.

The previous prime is 40278062197. The next prime is 40278062269. The reversal of 40278062250 is 5226087204.

40278062250 is a `hidden beast` number, since 4 + 0 + 27 + 8 + 0 + 622 + 5 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27227970081 + 13050092169 = 165009^2 + 114237^2 .

It is a super-2 number, since 2×40278062250² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9517635 + ... + 9521865.

Almost surely, 2^40278062250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40278062250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54468813906).

40278062250 is an abundant number, since it is smaller than the sum of its proper divisors (68659565562).

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

40278062250 is an frugal number, since it uses more digits than its factorization.

40278062250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 40278062250 in words is "forty billion, two hundred seventy-eight million, sixty-two thousand, two hundred fifty".