1625426436 has 12 divisors (see below), whose sum is σ = 3792661712. Its totient is φ = 541808808.

The previous prime is 1625426401. The next prime is 1625426437. The reversal of 1625426436 is 6346245261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1625426436² = 5284022197695324192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625426394 and 1625426403.

It is not an unprimeable number, because it can be changed into a prime (1625426437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67726090 + ... + 67726113.

Almost surely, 2^1625426436 is an apocalyptic number.

It is an amenable number.

1625426436 is an abundant number, since it is smaller than the sum of its proper divisors (2167235276).

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

1625426436 is a wasteful number, since it uses less digits than its factorization.

1625426436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135452210 (or 135452208 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 1625426436 is about 40316.5776821396. The cubic root of 1625426436 is about 1175.7701752514.

The spelling of 1625426436 in words is "one billion, six hundred twenty-five million, four hundred twenty-six thousand, four hundred thirty-six".