40151396 has 6 divisors (see below), whose sum is σ = 70264950. Its totient is φ = 20075696.

The previous prime is 40151381. The next prime is 40151407. The reversal of 40151396 is 69315104.

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 1537600 = 6214^2 + 1240^2 .

It is a super-2 number, since 2×40151396² = 3224269201497632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018921 + ... + 5018928.

It is an arithmetic number, because the mean of its divisors is an integer number (11710825).

Almost surely, 2^40151396 is an apocalyptic number.

It is an amenable number.

40151396 is a deficient number, since it is larger than the sum of its proper divisors (30113554).

40151396 is a wasteful number, since it uses less digits than its factorization.

40151396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037853 (or 10037851 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 40151396 is about 6336.5129211578. The cubic root of 40151396 is about 342.4261186477.

The spelling of 40151396 in words is "forty million, one hundred fifty-one thousand, three hundred ninety-six".