40001451 has 8 divisors (see below), whose sum is σ = 60954624. Its totient is φ = 22857960.

The previous prime is 40001449. The next prime is 40001453. The reversal of 40001451 is 15410004.

It is an interprime number because it is at equal distance from previous prime (40001449) and next prime (40001453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40001451 - 2¹ = 40001449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40001451.

It is not an unprimeable number, because it can be changed into a prime (40001453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952395 + ... + 952436.

It is an arithmetic number, because the mean of its divisors is an integer number (7619328).

Almost surely, 2^40001451 is an apocalyptic number.

40001451 is a deficient number, since it is larger than the sum of its proper divisors (20953173).

40001451 is a wasteful number, since it uses less digits than its factorization.

40001451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904841.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40001451 is about 6324.6700309186. The cubic root of 40001451 is about 341.9993245772. Note that the first 3 decimals are identical.

Adding to 40001451 its reverse (15410004), we get a palindrome (55411455).

It can be divided in two parts, 400014 and 51, that added together give a triangular number (400065 = T₈₉₄).

The spelling of 40001451 in words is "forty million, one thousand, four hundred fifty-one".