40825444428 has 36 divisors (see below), whose sum is σ = 103203831640. Its totient is φ = 13607666496.

The previous prime is 40825444417. The next prime is 40825444477. The reversal of 40825444428 is 82444452804.

40825444428 is a `hidden beast` number, since 4 + 0 + 82 + 544 + 4 + 4 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×40825444428³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045968 + ... + 1084296.

Almost surely, 2^40825444428 is an apocalyptic number.

It is an amenable number.

40825444428 is an abundant number, since it is smaller than the sum of its proper divisors (62378387212).

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

40825444428 is a wasteful number, since it uses less digits than its factorization.

40825444428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67926 (or 67921 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 45.

The spelling of 40825444428 in words is "forty billion, eight hundred twenty-five million, four hundred forty-four thousand, four hundred twenty-eight".