40228961040 has 140 divisors (see below), whose sum is σ = 140234553804. Its totient is φ = 10727707392.

The previous prime is 40228960963. The next prime is 40228961057. The reversal of 40228961040 is 4016982204.

40228961040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17105500944 + 23123460096 = 130788^2 + 152064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40228960986 and 40228961004.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 286579 + ... + 403218.

Almost surely, 2^40228961040 is an apocalyptic number.

40228961040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40228961040 is an abundant number, since it is smaller than the sum of its proper divisors (100005592764).

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

40228961040 is an equidigital number, since it uses as much as digits as its factorization.

40228961040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689828 (or 689807 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 40228961040 in words is "forty billion, two hundred twenty-eight million, nine hundred sixty-one thousand, forty".