40146425 has 12 divisors (see below), whose sum is σ = 54307536. Its totient is φ = 29197200.

The previous prime is 40146419. The next prime is 40146451. The reversal of 40146425 is 52464104.

It is not a de Polignac number, because 40146425 - 2¹⁸ = 39884281 is a prime.

It is a super-2 number, since 2×40146425² = 3223470880561250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40146394 and 40146403.

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, 72719 + ... + 73268.

It is an arithmetic number, because the mean of its divisors is an integer number (4525628).

Almost surely, 2^40146425 is an apocalyptic number.

It is an amenable number.

40146425 is a deficient number, since it is larger than the sum of its proper divisors (14161111).

40146425 is a wasteful number, since it uses less digits than its factorization.

40146425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146008 (or 146003 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40146425 is about 6336.1206585734. The cubic root of 40146425 is about 342.4119865489.

The spelling of 40146425 in words is "forty million, one hundred forty-six thousand, four hundred twenty-five".