425951400040 has 32 divisors (see below), whose sum is σ = 963744804000. Its totient is φ = 169428710464.

The previous prime is 425951400029. The next prime is 425951400113. The reversal of 425951400040 is 40004159524.

It is a super-2 number, since 2×425951400040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425951399969 and 425951400005.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29738050 + ... + 29752369.

It is an arithmetic number, because the mean of its divisors is an integer number (30117025125).

Almost surely, 2^425951400040 is an apocalyptic number.

425951400040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425951400040 is an abundant number, since it is smaller than the sum of its proper divisors (537793403960).

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

425951400040 is a wasteful number, since it uses less digits than its factorization.

425951400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59490609 (or 59490605 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 425951400040 its reverse (40004159524), we get a palindrome (465955559564).

The spelling of 425951400040 in words is "four hundred twenty-five billion, nine hundred fifty-one million, four hundred thousand, forty".