40252464 has 280 divisors, whose sum is σ = 146374560. Its totient is φ = 10450944.

The previous prime is 40252451. The next prime is 40252483. The reversal of 40252464 is 46425204.

40252464 = T₄₈₄ + T₄₈₅ + ... + T₇₀₇.

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1388002 + ... + 1388030.

Almost surely, 2^40252464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40252464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73187280).

40252464 is an abundant number, since it is smaller than the sum of its proper divisors (106122096).

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

40252464 is a wasteful number, since it uses less digits than its factorization.

40252464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40252464 is about 6344.4829576570. The cubic root of 40252464 is about 342.7131931421.

Adding to 40252464 its reverse (46425204), we get a palindrome (86677668).

The spelling of 40252464 in words is "forty million, two hundred fifty-two thousand, four hundred sixty-four".