40532454 has 64 divisors (see below), whose sum is σ = 96940800. Its totient is φ = 12507264.

The previous prime is 40532449. The next prime is 40532461. The reversal of 40532454 is 45423504.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61177 + ... + 61835.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700).

Almost surely, 2^40532454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40532454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48470400).

40532454 is an abundant number, since it is smaller than the sum of its proper divisors (56408346).

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

40532454 is a wasteful number, since it uses less digits than its factorization.

40532454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40532454 is about 6366.5103471211. The cubic root of 40532454 is about 343.5059780428.

Adding to 40532454 its reverse (45423504), we get a palindrome (85955958).

The spelling of 40532454 in words is "forty million, five hundred thirty-two thousand, four hundred fifty-four".