40696425 has 168 divisors, whose sum is σ = 97583040. Its totient is φ = 16329600.

The previous prime is 40696393. The next prime is 40696427. The reversal of 40696425 is 52469604.

40696425 is a `hidden beast` number, since 4 + 0 + 6 + 9 + 642 + 5 = 666.

It is not a de Polignac number, because 40696425 - 2⁵ = 40696393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40696425.

It is not an unprimeable number, because it can be changed into a prime (40696427) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1403311 + ... + 1403339.

Almost surely, 2^40696425 is an apocalyptic number.

40696425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40696425 is an abundant number, since it is smaller than the sum of its proper divisors (56886615).

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

40696425 is a wasteful number, since it uses less digits than its factorization.

40696425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 40696425 is about 6379.3749693838. The cubic root of 40696425 is about 343.9685640329.

The spelling of 40696425 in words is "forty million, six hundred ninety-six thousand, four hundred twenty-five".