40148970 has 16 divisors (see below), whose sum is σ = 96357600. Its totient is φ = 10706384.

The previous prime is 40148947. The next prime is 40148981. The reversal of 40148970 is 7984104.

It is a super-2 number, since 2×40148970² = 3223879584121800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669120 + ... + 669179.

It is an arithmetic number, because the mean of its divisors is an integer number (6022350).

Almost surely, 2^40148970 is an apocalyptic number.

40148970 is an abundant number, since it is smaller than the sum of its proper divisors (56208630).

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

40148970 is a wasteful number, since it uses less digits than its factorization.

40148970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338309.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 40148970 is about 6336.3214880560. The cubic root of 40148970 is about 342.4192218971.

The spelling of 40148970 in words is "forty million, one hundred forty-eight thousand, nine hundred seventy".