40147496 has 8 divisors (see below), whose sum is σ = 75276570. Its totient is φ = 20073744.

The previous prime is 40147493. The next prime is 40147501. The reversal of 40147496 is 69474104.

It can be written as a sum of positive squares in only one way, i.e., 39866596 + 280900 = 6314^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40147496² = 3223642870140032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509211 + ... + 2509226.

Almost surely, 2^40147496 is an apocalyptic number.

It is an amenable number.

40147496 is a deficient number, since it is larger than the sum of its proper divisors (35129074).

40147496 is a wasteful number, since it uses less digits than its factorization.

40147496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018443 (or 5018439 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40147496 is about 6336.2051734457. The cubic root of 40147496 is about 342.4150314026.

The spelling of 40147496 in words is "forty million, one hundred forty-seven thousand, four hundred ninety-six".