40078552 has 16 divisors (see below), whose sum is σ = 75222000. Its totient is φ = 20019360.

The previous prime is 40078513. The next prime is 40078589. The reversal of 40078552 is 25587004.

It is a super-3 number, since 3×40078552³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9402 + ... + 12982.

It is an arithmetic number, because the mean of its divisors is an integer number (4701375).

Almost surely, 2^40078552 is an apocalyptic number.

It is an amenable number.

40078552 is a deficient number, since it is larger than the sum of its proper divisors (35143448).

40078552 is a wasteful number, since it uses less digits than its factorization.

40078552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 40078552 is about 6330.7623553566. The cubic root of 40078552 is about 342.2189130006.

The spelling of 40078552 in words is "forty million, seventy-eight thousand, five hundred fifty-two".