40151025 has 48 divisors (see below), whose sum is σ = 78120000. Its totient is φ = 20148480.

The previous prime is 40151003. The next prime is 40151029. The reversal of 40151025 is 52015104.

It is not a de Polignac number, because 40151025 - 2¹⁰ = 40150001 is a prime.

It is a super-2 number, since 2×40151025² = 3224209617101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40150989 and 40151007.

It is not an unprimeable number, because it can be changed into a prime (40151029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9726 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (1627500).

Almost surely, 2^40151025 is an apocalyptic number.

40151025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40151025 is a deficient number, since it is larger than the sum of its proper divisors (37968975).

40151025 is a wasteful number, since it uses less digits than its factorization.

40151025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40151025 is about 6336.4836463136. The cubic root of 40151025 is about 342.4250639689.

Adding to 40151025 its reverse (52015104), we get a palindrome (92166129).

The spelling of 40151025 in words is "forty million, one hundred fifty-one thousand, twenty-five".