40264046428 has 6 divisors (see below), whose sum is σ = 70462081256. Its totient is φ = 20132023212.

The previous prime is 40264046411. The next prime is 40264046443. The reversal of 40264046428 is 82464046204.

It is a happy number.

It is a super-2 number, since 2×40264046428² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033005800 + ... + 5033005807.

Almost surely, 2^40264046428 is an apocalyptic number.

It is an amenable number.

40264046428 is a deficient number, since it is larger than the sum of its proper divisors (30198034828).

40264046428 is a wasteful number, since it uses less digits than its factorization.

40264046428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066011611 (or 10066011609 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 40264046428 in words is "forty billion, two hundred sixty-four million, forty-six thousand, four hundred twenty-eight".