40151450 has 24 divisors (see below), whose sum is σ = 79076412. Its totient is φ = 15115520.

The previous prime is 40151407. The next prime is 40151453. The reversal of 40151450 is 5415104.

It can be written as a sum of positive squares in 6 ways, for example, as 7513081 + 32638369 = 2741^2 + 5713^2 .

It is a super-2 number, since 2×40151450² = 3224277874205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40151453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22769 + ... + 24468.

Almost surely, 2^40151450 is an apocalyptic number.

40151450 is a deficient number, since it is larger than the sum of its proper divisors (38924962).

40151450 is a wasteful number, since it uses less digits than its factorization.

40151450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47266 (or 47261 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40151450 is about 6336.5171821751. The cubic root of 40151450 is about 342.4262721583.

Adding to 40151450 its reverse (5415104), we get a palindrome (45566554).

The spelling of 40151450 in words is "forty million, one hundred fifty-one thousand, four hundred fifty".